Illumination of the Check Engine Light can be caused by a loose or worn gas cap.
Problems for specific GMC Yukon XL Denali years:
Car problem reports
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Newest reported 2007 GMC Yukon XL Denali problems
The keyless entry system may stop working. Our technicians tell us the key fobs and keyless entry receiver may need to be replaced to correct this fault.
One or more heater & AC (HVAC) temperature and/or air delivery mode door actuator may fail, resulting in improper temperature or air delivery. If this occurs, fault code(s) should be stored in the HVAC control module which should assist in diagnoses.
It is common for the fuel level sensor in the fuel tank read the fuel level incorrectly. The sensor must be replaced to correct the condition. Our technicians recommend having the complete fuel pump module replaced on high mileage vehicles.
The steering wheel position sensor may fail, resulting in the service stability message being displayed.